Several beaches have advisories posted heading into the long weekend; Beaverton Beach North and South in Brock Township, and Newcastle Beach Central in Clarington have both been designated as unsafe for swimming due to high e.coli levels. Kinsmen Beach in Scugog has been posted as well due to the potential presence of blue-green algae. Lakeview Beach was not tested due to safety concerns involving high water levels. More details can be found on the Region's website, www.durham.ca